9 Curious Facts About Your Body

9 Curious Facts About Your Body

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We do not know our own body. Do you know how many liters of blood are in your body?

Or how many times do you blink and breathe per minute? Do you know your face is home to a bacterial colony? Check out some curious facts about the human organism:

1. We breathe 12 to 20 times per minute

Breathing rate is the number of breaths you give per minute. The average adult resting is 12 to 20 breaths per minute. If a stationary human breathes less than 12 times or more than 25 per minute, this can be a problem. Asthma, anxiety, pneumonia, heart failure and the use of narcotics can change your respiratory rate.

2. Most people only breathe in one nostril at a time.

Thanks to something called the “nasal cycle,” which reaches 20% to 80% of the population. One nostril is blocked during the nasal cycle, so the individual can only breathe about 40% of the normal amount inhaled. And no matter if you are right-handed or left-handed, the "dominant nostril" changes periodically.

3. There are mites living in your eyes - and you can see them.

They also live in your nose and ears. There are two types of mites that inhabit human faces: Demodex folliculorum, which lives in the hair follicles, and Demodex brevis, which lives in the sebaceous glands. They have eight short legs and elongated bodies and you can see them blink a few times in a row - try it!

4. No one can breathe and swallow at the same time.

That is unless you are a baby with some breathing disorder. This is because, at some point in our evolution, humans have lost the ability to do so - the channel through which we breathe is the same as through which we swallow, which is why we can breathe "through the mouth." Don't try to do this - it's really impossible.

5. There are more bacteria in your mouth than humans on earth

Microbiologist Bruce Paster of the Forsyth Institute in Boston says there are between 10 and 50 billion bacteria in his mouth - more than people across the globe. Think about it when it's time to kiss someone: it's like exchanging millions of bacteria! Of course most of them do no harm to your body.

6. A human has four to six liters of blood

Blood cannot be synthetically manufactured: the only way to get it is through donations. When you donate, you lose about half a liter of the total ranging from four to six liters. But this is very close to the good your donation can do: donate!

7. An adult's heart rate ranges from 60 to 100 beats per minute.

At rest, an average adult has 60 to 100 heartbeats per minute - more or less than this may indicate an abnormality. Each beat can pump about 70ml of blood, or five liters per minute, which can mean all blood in the body.

8. Contagious Yawning

Seeing someone yawning or even just reading the word "yawn" (like now, like me) you can yawn unintentionally or without sleep. Did you yawn?

9. Itching is also contagious

Just seeing someone being self-confident triggers their own itch. Even seeing someone going through a disgusting situation can cause an involuntary itch.



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  3. Kazirn

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  4. Secgwic


  5. Arnaldo

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